US Bridges

Abrego DR over Small Wash

Good

Pima County, Arizona · 0.9 MI N Esperanza Blvd · Structure no. 08307

Built
1970
55 years old
Condition
Good
inspected November 2023
Type
Culvert
Concrete Continuous
Length
44 ft
4 main spans
Daily traffic
4,733
2023 count
Owner
County
County Highway Agency

About this bridge

Abrego DR over Small Wash is a concrete continuous culvert carrying Abrego DR over Small Wash in Pima County, Arizona. It was built in 1970, so it is 55 years old, older than the Arizona average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 4,733 vehicles a day, projected to reach 4,743 by 2032. The structure is 44 ft (13.4 m) long and 59 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesAbrego DR
CrossesSmall Wash
Location0.9 MI N Esperanza Blvd
RouteCounty Highway 0
StateArizona
Coordinates31.87808, -110.98795
Functional classUrban Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating55 US tons
Inventory rating33 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans4
Design loadH 20
Structure length44 ft (13.4 m)
Longest span10 ft (3 m)
Deck width59 ft (18 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,733 (2023)
Projected traffic4,743 by 2032
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Abrego DR over Small Wash built?

It was built in 1970, making it 55 years old in 2025.

What condition is Abrego DR over Small Wash in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2023.

How much traffic does Abrego DR over Small Wash carry?

About 4,733 vehicles per day (2023 count).

How long is Abrego DR over Small Wash?

The structure is 44 ft (13.4 m) long with a longest span of 10 ft (3 m) and a deck 59 ft wide.

Who owns Abrego DR over Small Wash?

It is owned by the County Highway Agency.